Day of the Week Calculation - Thoughts

[bjoern.gumboldt]

@Icosencephalic

I wonder if there’s an easier method.

There is… century code + year code + month code + day, divide by seven, and take the remainder. In case the date is Jan/Feb in a leap year subtract one. That’s all… easily under 5 seconds for the entire date.

Have a look here for how to set up the memory palaces for the year codes:

Do you use "reverse lookup"? #MPRL

For the younger generation

back in the days we’d see people’s phone numbers on our display and then needed to figure out who’s number it was. Basically, instead of thinking of the person you want to call and then dial their number, you’d do things in reverse; hence, reverse lookup. These days looking up which country an IP address is from would be considered reverse lookup.

So I was wondering… normally, we’d use memory palaces to store information in order (e.g., digits of pi, etc.) but do any of…